Re: RGB Color Space Info Request
Re: RGB Color Space Info Request
- Subject: Re: RGB Color Space Info Request
- From: Graeme Gill <email@hidden>
- Date: Tue, 26 Nov 2002 12:14:13 +1100
"Bruce J. Lindbloom" wrote:
>
So it got me thinking. Is the choice of working space important? How do you
>
choose the best working space? (I suppose you could just pick "BestRGB"
>
since they wouldn't have let Don Hutcheson name it that if it wasn't really
>
the best, right? Just teasing you, Don.) How do you compare the relative
>
merits of two working spaces? What are the desirable properties of a working
>
space? How would you go about designing one that meets certain criteria
>
(aside from using trial and error)? These are tough questions, and the more
>
I think about them, the more I realize how little I understand about this.
Maybe this is a dumb suggestion (I'm not that familiar with Photoshop,
and I haven't played with the latest and greatest), but surely
the right answer is not to use any device dependent space as
a "working space". Use a device independent space that doesn't
have any gamut restrictions. 8 bit Lab might be a first cut
approximation (although perhaps overly quantized for many peoples
taste). Perhaps there is room for someone to standardize an
11 bit Lab interchange/working space ? (ie. use 32 bits per Lab pixel).
Graeme Gill.
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